diff --git a/egovframe-template-simple-react-contribution/src/css/base.css b/egovframe-template-simple-react-contribution/src/css/base.css
index 6c59fe9..1e1a118 100644
--- a/egovframe-template-simple-react-contribution/src/css/base.css
+++ b/egovframe-template-simple-react-contribution/src/css/base.css
@@ -43,7 +43,7 @@ a:link, a:visited, a:hover, a:active {text-decoration: none;}
 .blind {position: absolute; left: -9999px; top: -9999px;}
 .skip {position: absolute; left: -9999px; top: -9999px;}
 
-body {font-family: 'Noto Sans KR', sans-serif; font-size: 16px;}
+body {font-family: 'Noto Sans KR', sans-serif; font-size: 14px;}
 button, textarea {font-family: 'Noto Sans KR', sans-serif;}
 button {cursor: pointer;}
 
diff --git a/egovframe-template-simple-react-contribution/src/pages/standardCode/viewer.js b/egovframe-template-simple-react-contribution/src/pages/standardCode/viewer.js
index 3948456..0bf3c5b 100644
--- a/egovframe-template-simple-react-contribution/src/pages/standardCode/viewer.js
+++ b/egovframe-template-simple-react-contribution/src/pages/standardCode/viewer.js
@@ -76,6 +76,11 @@ function CodeViewer(props) {
             }
         );
     }
+
+    const chkboxControll = () => {
+        debugger
+    }
+
     const getCodeDetailInfo = useCallback((docCode) => {
         console.groupCollapsed("EgovMain.getCodeDetailInfo()");
         EgovNet.requestFetch(
@@ -125,7 +130,14 @@ function CodeViewer(props) {
                             }
                             lastLevel = item.cont_level;
                             parentContCd = parentContCd.trim();
-                            item.full_content = "<input type='checkbox' class='"+parentContCd+"' id='"+item.cont_type_cd+"chk'>"+item.full_content;
+                            item.full_content = "<input type='checkbox' " +
+                                "class='titleCheckBox "+parentContCd+"' " +
+                                "id='"+item.cont_type_cd+"chk' " +
+                                `onclick="const flag = this.checked; document.querySelectorAll('.'+this.id.replace('chk', '')).forEach((input)=>{input.checked = flag})"` +
+                                ">"+item.full_content;
+                            if(item.cont_level===1 && item.cont_order !== 1){
+                                item.full_content = "<br>"+item.full_content;
+                            }
                         }
                         if(docLinkReg.test(item.full_content)){
                             const docCodeAry = item.full_content.match(docLinkReg);
@@ -235,8 +247,8 @@ function CodeViewer(props) {
 }
 
 CodeViewer.defaultProps = {
-    docCode: 'KDS 24 14 30',
-    docName: '강교 설계기준(허용응력설계법)'
+    docCode: 'KDS 10 10 00',
+    docName: '설계기준 총칙'
 }
 
 export default CodeViewer;